Quick acne healing overnight! Protects wounded or troubled area from getting worse and maintains humidity of skin to prevent further breakouts. The unique hydrocolloid material effectively extracts impurities and speeds up the healing process. COSRX Acne Pimple Master Patch comes in a resealable pouch and sterilized double packaging to keep it sanitary. Directions: Cleanse the area around problem spot. Select a bigger size patch than the problem spot and attach the patch to the spot. Ingredients: Cellulose Gum, Styrene Isoprene Styrene Block Copolymer, Polyisobutylene, Petroleum Resin, Polyurethane Film, Liquid Paraffin, Tetrakis Methane